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MagyarAMD A4-3320M vs Intel Core 2 Duo T9400 vs Intel Core 2 Duo P8400
AMD A4-3320M
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The AMD A4-3320M (Codename Llano) is a dual-core processor for entry level laptops. It is part of the Fusion family of APUs (=Accelerated Processing Units) and features an integrated Radeon HD 6480G graphics card. The processor core is clocked at 2 GHz base clock speed and is able to automatically overclock up to 2.6GHz (TurboCore, depending on temperature and used cores).
The processor core is based on the Husky familiy 12h. Compared to the older Phenom II mobile processors, the Husky core is very similar but features an additional hardware divider. However, the performance per clock should be similar to the old Turion II, Athlon II, Phenom II mobile processors (as the Llano APU they did not feature a Level 3 cache).
The performance of the processor part should be comparable to a previous AMD Athlon II M340. Due to TurboCore the single threaded performance should be slightly better and the multithreaded slightly slower. Therefore, the performance is clearly worse than similar clocked Sandy Bridge based processors (e.g. Core i3-2310M).
The Llano APUs feature an integrated DirectX 11 capable graphics card with a maximum of 400 cores. The AMD Radeon HD 6480G called version in the A4-Series however offers only 240 cores at 444MHz. It has no dedicated memory and also is not able to use the integrated cache (in difference to the Intel HD 3000). Furthermore the APU also features an integrated UVD3 video processor to fully decode most used HD videos (like H.264, VC-1, MPEG4).
The A4-3320M also features an integrated dual-channel memory controller with support for DDR3(L)-1333 memory and a PCIe 2.0 controller.
The TDP of 35 Watt for the APU (including graphics card and memory controller) makes it best suited for 14 to 15-inch laptops.
Intel Core 2 Duo T9400
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The Intel Core 2 Duo T9400 was a uppder middle class dual core CPU for laptops, at the time of introduction. It is similar to the Core 2 Duo P9500 except for the higher TDP of 35 versus 25 Watt).
Due to the relatively high clock speed and 6MB Level 2 cache, the T9400 offers enough performance for most demanding games (in 2009) and applications.
The T9400 uses a Penryn (Montevina Update) core that features 2 integer units, 1 floating point unit, 1 load unit, and 1 store unit in a 14-stages long pipeline. Due to the Wide Dynamic Execution Technology, the core is able to simultaneously execute up to four instructions.
The integrated Enhanced Speedstep is able to downclock the core dynamically to save power (in idle mode).
Intel Core 2 Duo P8400
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The Intel Core 2 Duo P8400 is a dual core processor for laptops. It features 2.26 GHz and a shared level 2 cache of 3 MB. Due to the smaller cache (Core 2 Duo T-Models got usually 6 MB at this clock rate), the TDP is only 25 Watt (instead of the 35 Watt of the T-models).
The performance of the P8400 is on par with the fast Turion II Ultra with about 2.4 to 2.6 GHz. Modern demanding games like Supreme Commander may be limited by the CPU performance. High end gamers should choose a higher clocked Core 2 Duo (or Core i5 / i7).
The P8400 uses a Penryn (Montevina Update) core that features 2 integer units, 1 floating point unit, 1 load unit, and 1 store unit in a 14-stages long pipeline. Due to the Wide Dynamic Execution Technology, the core is able to simultaneously execute up to four instructions.
The integrated Enhanced Speedstep is able to downclock the core dynamically as low as 800 MHz to save power (in idle mode).
The Core 2 Duo P8400 can be used in a Socket P socket with 479 pins: Socket P / Micro Flip-Chip Pin Grid Array (Micro-FCPGA) requires 479-pin surface mount Zero Insertion Force (ZIF) socket (mPGA479M socket) or Micro Flip-Chip Ball Grid Array (Micro-FCBGA) for surface mount (479-ball)
| Model | AMD A4-3320M | Intel Core 2 Duo T9400 | Intel Core 2 Duo P8400 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Series | AMD A-Series | Intel Core 2 Duo | Intel Core 2 Duo | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Codename | Llano | Penryn | Penryn | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Series: Core 2 Duo Penryn |
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| Clock | 2000 - 2600 MHz | 2530 MHz | 2260 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L2 Cache | 2 MB | 6 MB | 3 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cores / Threads | 2 / 2 | 2 / 2 | 2 / 2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TDP | 35 Watt | 35 Watt | 25 Watt | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Transistors | 1000 Million | 410 Million | 410 Million | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 32 nm | 45 nm, 1.050V-1.162V | 45 nm, 1.05-1.15 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Die Size | 226 mm2 | 107 mm2 | 107 mm2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Features | 3DNow!, MMX, SSE, SSE2, SSE3, SSE4a, DDR3 Memory Controller, Radeon HD 6480G | Virtualization Technology (VT-x), Trusted Execution, Intel 64, Enhanced Speedstep, Execute Disable Bit | SSE4.1, Virtualization Technology, Execute Disable Bit, Enhanced Speedstep, Ehnaced Halt State (C1E), 64 Bit, Trusted Execution Technology | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| iGPU | AMD Radeon HD 6480G (444 MHz) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Architecture | x86 | x86 | x86 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Announced | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| FSB | 1066 | 1066 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L1 Cache | 128 KB | 128 KB | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| max. Temp. | 105 °C | 105 °C | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Socket | BGA479, PGA478 | Socket P | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| $316 U.S. | $209 U.S. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Manufacturer | ark.intel.com | ark.intel.com |
- Average benchmark values for this graphics card